Criticality Safety Officer
Listed on 2026-05-25
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Engineering
Safety Engineer, Operations Manager, Environmental Compliance
Location: Oak Ridge, TN
Job Title: Criticality Safety Officer
Career Level From: Associate
Career Level To: Senior Specialist
Job Specialty: Nuclear/High Hazard Operations
What You'll DoResponsibilities:
- Provide technical guidance to ensure proper implementation of nuclear criticality safety (NCS) requirements to assure fissile materials are processed, stored, transferred, and handled safely so that personnel and property are protected against a criticality accident
- Verify adequate implementation of requirements and controls on equipment, processes, and procedures is established for new or revised criticality safety documents
- Implement and oversee processes to ensure compliance with criticality safety requirements and NCS command media requirements
- Review, from an operations perspective, and provide input to criticality safety documentation; assist with resolving minor non-compliances and deficiencies along with proactively monitoring trends to reduce future issues
- Develop and control NCS posting requirements
- Perform CSO surveillances
- Coordinate changes in NCS documentation between Operations and the Criticality Safety Office
- Facilitate consistency, standardization and simplicity in the application of Criticality Safety across production operations
- To the Criticality Safety Office Manager and Criticality Safety Management & Integration Senior Director for the establishment, maintenance, and implementation of a defined criticality safety office and integration of production and engineering functions to support nuclear criticality safety for Y-12
- To the facility Production Directors for resolution of conflicting priorities, ensuring a healthy respect for Conduct of Operations principles, and interpreting policies or procedures when questions arise regarding criticality safety principles and applications
- Assist with the definition and/or resolution of conflicts regarding implementation of criticality safety requirements
- Assist with abnormal response to criticality safety issues when required to maintain compliance with policies and procedures governing Y-12 operations
- Meaningful work and unique opportunities to support missions vital to national and global security
- Top-notch, dedicated colleagues
- Generous pay and benefits with a stable organization
- Career advancement and professional development programs
- Work-life balance fostered through flexible work options and wellness initiatives
Job Requirements
- Bachelor’s degree:
No experience - OR Master’s degree:
No experience
In addition, the applicant must meet the requirements of DOE O 426.2A (i.e., Baccalaureate in engineering or related scientific major 2 years job-related, and 1-year nuclear experience; or a DOE O 426.2A alternative).
PreferredJob Requirements
- Bachelor's degree in Nuclear Safety or Engineering
- Seven (7) years of operations experience in areas involving NCS requirements
- Knowledge and understanding of the Criticality Safety analysis process, Conduct of Operations, Integrated Safety Management, Security Programs, and other safety management programs
- Proficient communicator, both orally and in writing among various levels of the organization
- Some understanding of technical operations; knowledge of plant operations, services, and structure, Conduct of Operations, and Integrated Safety Management
CNS is a drug‑free workplace. Candidates accepting a job offer will be required to pass a pre‑placement physical, drug screening and background investigation. As an employee, you may be required to receive and maintain a security clearance from the United States Department of Energy in order to meet eligibility requirements for access to sensitive information or matter. U.S. citizenship is a requirement for security clearance applicants.
All employees are subject to being randomly selected for drug testing without advance notification.
CNS is an equal opportunity employer. All qualified applicants will receive consideration for employment based on merit and without regard to race, color, religion, sex, sexual orientation, national origin, protected veteran status or disability.
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